private static void UpdateContentSignatures(MemoryFileDatabase database, FileDescriptor rootDescriptor)
{
Console.WriteLine("Updating content signatures");
var progressTracker = new ConsoleProgressTracker(database.GetAllDescriptors().Count());
var contentCrawler = new FileCrawler(new NullFileDatabase(), new RevisitDescriptorProvider(),
new SampleSignatureGenerator(new SHA1HashGenerator()), progressTracker);
var contentTimer = Stopwatch.StartNew();
contentCrawler.ScanDirectory(rootDescriptor);
contentTimer.Stop();
var descriptorCount = database.GetAllDescriptors().Count();
// PrintDescriptorTree(rootDescriptor, descriptor => descriptor.ContentHash);
// PrintDuplicates(database, descriptor => descriptor.ContentHash);
Console.WriteLine("Calculated content signature for {0} entries in {1}. {2} files per second", descriptorCount,
contentTimer.Elapsed, 1000 * descriptorCount / contentTimer.ElapsedMilliseconds);
}
private static FileDescriptor StatScanFolder(MemoryFileDatabase database, string baseFolder)
{
var volumeInfo = new VolumeInfo(baseFolder);
Console.WriteLine($"Name = {volumeInfo.VolumeName}, Serial = {volumeInfo.SerialNumber}");
database.RootInfo = new RootInfo
{
RootPath = baseFolder,
VolumeId = volumeInfo.SerialNumber,
VolumeLabel = volumeInfo.VolumeName
};
var progressTracker = new ConsoleProgressTracker();
var signatureGenerator = new StatSignatureGenerator(new SHA1HashGenerator());
var crawler = new FileCrawler(database, new SystemFileDescriptorProvider(), signatureGenerator, progressTracker);
var scanTimer = Stopwatch.StartNew();
var rootDescriptor = crawler.ScanDirectory(baseFolder);
scanTimer.Stop();
var descriptorCount = database.GetAllDescriptors().Count();
Console.WriteLine("Scanned {0} entries in {1}. {2} stat scans per second", descriptorCount, scanTimer.Elapsed,
1000*descriptorCount/scanTimer.ElapsedMilliseconds);
return rootDescriptor;
}